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posted by
martyb
on Friday May 11 2018, @01:17AM
from the improved-security-plus-continued-impressive-uptime dept.
from the improved-security-plus-continued-impressive-uptime dept.
Softpedia reports
The patch addresses a total of nine security vulnerabilities
[...] All these flaws could [allow] local attackers to either crash the system or execute arbitrary code, bypass intended access restrictions to the connection tracking helpers list, as well as to inappropriately modify the system-wide operating system fingerprint list. Canonical urges all Ubuntu 16.04 LTS and Ubuntu 14.04 LTS users using the Canonical Livepatch to update their system immediately. A restart is not required when updating the kernel [using the] live patch.
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Canonical Releases New Kernel Live Patch for Ubuntu 16.04 LTS & Ubuntu 14.04 LTS
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(Score: 1, Interesting) by Anonymous Coward on Friday May 11 2018, @02:43AM
Plus live patching doesn't completely negate the need to reboot. After a live patch, every call has added overhead to determine whether it is patched or not, which increases per live patch installed. Also, depending on the work it does, it can murder performance, cause instability, and increase attack surface area for escalation attacks. Only with a reboot do you get the fresh kernel.